BerkebunDo you like farming / gardening? If true, then before you farm or garden you must know exactly what and how to farm / garden that is good. One thing you should know is about fertilizer, and of course you have heard or even done it. But do you know what you should know before using fertilizer? Fertilizer is a material used to improve soil fertility while fertilization is the addition of certain materials into the soil so that the soil becomes more fertile. In the broader sense of fertilization including the addition of materials that can improve soil properties such as granting sand to clay, addition of mineral soil to organic soils, liming and so on, commonly called AMELIORATION

As a farmer  or gardener should be know the classification of fertilizers, where fertilizers can be distinguished based on the type, material origin and method / nature of its work, based on the speed of action, based on the type of chemical compound, based on the number of nutrients, and last is based on physical conditions.

1. Fertilizers Based on the nature of work include:

1.1. Direct Fertilizer Direct Fertilizer is Fertilizer that contains plant nutrients and gives its influence directly to plants, for example NPK, TSP, DAP, MAP and others, as well as liquid fertilizer including.

1.2. Indirect Fertilizer Indirect fertilizer is fertilizer that indirectly influences soil and soil nutrients, such as liming and adding organic matter.

2. Fertilizer Classification Based on Working Speed

2.1. Fast Action / Fast Release where after the application of fertilizer the effect is immediately apparent. For example fertilizer that is hygroscopic. What is hygroscopic fertilizer? Hygroscopic Fertilizer is a fertilizer that is easy to absorb, for example ZA fertilizer.

2.2. Slow Action / Slow Release Fertilizer where the fertilizer will work very effectively after a change in the soil.

3. Classification based on type of chemical compound.

3.1. Organic fertilizer. Based on its name we can already know that organic fertilizer is fertilizer that is purely organic and does not contain chemicals.

3.2. Inorganic Fertilizer or Mineral Fertilizer. Inorganic fertilizers are fertilizers that are made using chemicals and contain one or more inorganic compounds. such as Urea Fertilizer, NPK Fertilizer, Potassium Fertilizer, TSP Fertilizer, DAP, MAP, and others.

4. Classification Based on Number of Nutrients

4.1. Single fertilizer, which means that this fertilizer contains only one type of essential nutrients, for example Fertilizer N (Nitrogen), Fertilizer P (Phosphorus), and Fertilizer K (Potassium)

4.2. Compound fertilizer means fertilizer that contains several nutrients, for example NPK fertilizer, TSP fertilizer, and so forth.

5. Classification According to Amount Needed

5.1. Macro Nutrient (Major Nutrient Fertilizer) means fertilizer that contains macro nutrients, which are called Macro Nutrients because important elements that must be owned and in large quantities and are needed by plants include: Nitrogen (N), Phosphorous (P), Potassium (K) , Calcium (Ca), Magnesium (Mg), and Sulfur (S).

5.2. Micro nutrient fertilizer which means nutrients needed by plants in very small quantities, but its function is important and not replaceable. Examples of Micro Nutrients include: Molybdenum (Mo), Iron (Fe), Boron (B), Zinc (Zn), Manganese (Mn), Copper (Cu), and Chlorine (Cl).

6. Classification Based on Physical Conditions

6.1. Solid Fertilizer is Fertilizer that is applied in solid form, both Organic and Inorganic, for example: Urea Fertilizer, TSP Fertilizer, KCL Fertilizer and others.

6.2. Liquid Fertilizer is Fertilizer that is applied in liquid form, both Organic and Inorganic.

6.3. Gas fertilizer in the form of ammonia and sulfur gas.